[INFO] updating cached repository Tobba/coreio
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Tobba/coreio
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Tobba/coreio" "work/ex/beta-1.38-1/sources/1.37.0/gh/Tobba/coreio"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Tobba/coreio'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Tobba/coreio" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Tobba/coreio"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Tobba/coreio'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 39c4cdaf595e20c5723be2b24d922898e944ae3f
[INFO] sha for GitHub repo Tobba/coreio: 39c4cdaf595e20c5723be2b24d922898e944ae3f
[INFO] validating manifest of Tobba/coreio on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Tobba/coreio on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Tobba/coreio
[INFO] finished frobbing Tobba/coreio
[INFO] frobbed toml for Tobba/coreio written to work/ex/beta-1.38-1/sources/1.37.0/gh/Tobba/coreio/Cargo.toml
[INFO] started frobbing Tobba/coreio
[INFO] finished frobbing Tobba/coreio
[INFO] frobbed toml for Tobba/coreio written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Tobba/coreio/Cargo.toml
[INFO] crate Tobba/coreio already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Tobba/coreio against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Tobba/coreio:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 033d216c43d33d968c544339edb43247345b1de886c1c5d33f440928b750cfa3
[INFO] running `"docker" "start" "-a" "033d216c43d33d968c544339edb43247345b1de886c1c5d33f440928b750cfa3"`
[INFO] [stderr]    Compiling coreio v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `core::slice::bytes`
[INFO] [stderr]  --> lib.rs:6:18
[INFO] [stderr]   |
[INFO] [stderr] 6 | use core::slice::bytes::copy_memory;
[INFO] [stderr]   |                  ^^^^^ could not find `bytes` in `slice`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(no_std)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(core_slice_ext, slice_bytes)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions.
[INFO] [stderr]   --> lib.rs:29:14
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn read_all<E=<Self as Read>::Err>(&mut self, buf: &mut [u8]) -> Result<(), E> where E: From<Self::Err> + From<EndOfFile> {
[INFO] [stderr]    |                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(invalid_type_param_default)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887>
[INFO] [stderr] 
[INFO] [stderr] warning: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions.
[INFO] [stderr]   --> lib.rs:46:15
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn write_all<E=<Self as Write>::Err>(&mut self, mut buf: &[u8]) -> Result<(), E> where E: From<Self::Err> + From<EndOfFile> {
[INFO] [stderr]    |                  ^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887>
[INFO] [stderr] 
[INFO] [stderr] warning: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions.
[INFO] [stderr]    --> lib.rs:136:14
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn read_all<E=<Self as Read>::Err>(&mut self, buf: &mut [u8]) -> Result<(), E> where E: From<R::Err> + From<EndOfFile> {
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887>
[INFO] [stderr] 
[INFO] [stderr] warning: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions.
[INFO] [stderr]    --> lib.rs:148:15
[INFO] [stderr]     |
[INFO] [stderr] 148 |     fn write_all<E=<Self as Write>::Err>(&mut self, buf: &[u8]) -> Result<(), E> where E: From<W::Err> + From<EndOfFile> {
[INFO] [stderr]     |                  ^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887>
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `coreio`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "033d216c43d33d968c544339edb43247345b1de886c1c5d33f440928b750cfa3"`
[INFO] running `"docker" "rm" "-f" "033d216c43d33d968c544339edb43247345b1de886c1c5d33f440928b750cfa3"`
[INFO] [stdout] 033d216c43d33d968c544339edb43247345b1de886c1c5d33f440928b750cfa3